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Stability theory of differential/algebraic models of power systems

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Abstract

Lyapunov stability results are given for differential/algebraic models of power systems which include the effect of generator damping and nonlinear loads. The global dynamical structure of such a system is studied in terms of multivalued energy functions defined on so-called 'voltage causal regions' where voltage behaviour is predicted from angle behaviour. These regions are separated by 'impasse surfaces' related to singularity in the load flow equations.

Original languageEnglish
Pages (from-to)731-747
Number of pages17
JournalSadhana - Academy Proceedings in Engineering Sciences
Volume18
Issue number5
DOIs
Publication statusPublished - Sept 1993
Externally publishedYes

Keywords

  • Lyapunov methods
  • nonlinear systems
  • Power systems
  • stability

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